M18 FUEL 5" Random Orbital Sander
Battery answer
Every reviewed M18 pack powers SKU 2837-20 at full rated performance, with no battery-specific condition.
- Battery platform
- Milwaukee M18
- Packs required
- Not published by Milwaukee
- 9 work without conditions.
Battery requirement sources (1)
- Milwaukee Tool — manufacturer page, retrieved 2026-07-31
Compare the reviewed packs See tool specifications and sources
Milwaukee · Sanders · SKU 2837-20 · Milwaukee source
Compare the reviewed M18 packs
| Battery | Capacity | Energy | Power level | Answer |
|---|---|---|---|---|
| 48-11-1813 | 12 Ah | 216 Wh | PWR5 | Works |
| 48-11-1820 | 2 Ah | 36 Wh | not published | Works |
| 48-11-1828 | 3 Ah | 54 Wh | not published | Works |
| 48-11-1840 | 4 Ah | 72 Wh | not published | Works |
| 48-11-1850 | 5 Ah | 90 Wh | PWR2 | Works |
| 48-11-1850R | 5 Ah | 90 Wh | not published | Works |
| 48-11-1861 | 6 Ah | 108 Wh | PWR4 | Works |
| 48-11-1865 | 6 Ah | 108 Wh | PWR3 | Works |
| 48-11-1881 | 8 Ah | 144 Wh | PWR4 | Works |
Energy is capacity × nominal voltage — our arithmetic on Milwaukee’s figures, not a number they publish. It is the only honest way to compare packs across capacities. Power level is Milwaukee’s own PWR tier where they publish one.
Compatibility sources (1)
- Milwaukee Tool — manufacturer support, retrieved 2026-07-30“All M18 Batteries are compatible with M18 tools & chargers.”
Tool specifications and manufacturer claims
Basic tool facts
| Brushless | Yes |
|---|---|
| Weight, bare tool | 3.1 lb |
Specification sources (1)
- Milwaukee Tool — manufacturer page, retrieved 2026-07-31
Full specifications
As published by Milwaukee for SKU 2837-20, read 2026-07-31. Values are quoted in their units, not reformatted.
| Height | 5.5 in |
|---|---|
| Length | 7.9 in |
| Width | 6.4 in |
| Branding | Badge: FUEL · Tool: FUEL |
| Brushless Motor | Yes |
| FUEL | Yes |
| Handle Type | Palm |
| Motor Type | POWERSTATE Brushless |
| Number of Batteries Included | 0 |
| Number of Pieces Included | 4 |
| ONE-KEY Enabled | No |
| Switch Type | On and Off |
| Variable Speed | Yes |
| Warranty | 5 Year Tool |
| Weight w/Batteries | 3.1 lb |
What Milwaukee says about it
- POWERSTATE Brushless Motor: Generates the power to deliver 12K max OPM under load for faster material removal.
- REDLINK PLUS Intelligence: Ensures maximum performance and protects from overloads, heating, and over-discharge.
- Integrated Dust Control for up to 95% dust collected and the versatility of the included bag or universal hose adapter provides faster clean-up on the jobsite.
- VACLINK Technology: Intergrated wireless dust control technology allowing for activation of directly from the M18 FUEL 5” Random Orbital Sander to connect to our M18 FUEL PACKOUT 9 Gallon Dual-Battery Dust Extractor w/ VACLINK for increased efficiency.
- Random Orbital sanding motion with 3/32” (2.5mm) orbit diameter delivers a scratch-free stain grade surface finish.
- Ergonomic form-fitting pommel grip and low vibration minimizes user fatigue.
- 5-mode speed control button allows for unmatched control across various materials.
- Removable edge guard protects when sanding against delicate adjacent surfaces.
- Fits all M18 battery packs.
Manufacturer marketing copy, reproduced so you can judge it. We have not tested these claims.